Who must perform the leak inspections required on a low-pressure chiller that has exceeded its leak rate?

Leak detection · EPA 608 Type III. The correct answer, and the reasoning behind it.

Pressurizing low-pressure systems for leak tests, signs of leaks, inspections and reports.

The question

Who must perform the leak inspections required on a low-pressure chiller that has exceeded its leak rate?

  • Any building employee with a leak detector
  • An EPA inspector, on a set schedule
  • The chiller manufacturer, under warranty
  • A certified technician, using methods suited to that applianceCorrect answer

Why “A certified technician, using methods suited to that appliance” is correct

40 CFR 82.157(g)(2) says leak inspections must be done by a certified technician using methods the technician judges appropriate for that appliance. The technician then gives the owner documentation of the results.

Source: 40 CFR 82.157(g)

Why the other answers are wrong

  • Any building employee with a leak detector — The rule calls for a certified technician, not just anyone with a detector.
  • An EPA inspector, on a set schedule — EPA does not perform the owner's required leak inspections.
  • The chiller manufacturer, under warranty — The rule does not require the manufacturer to do the inspection.

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